The group of ecosystems on earth that feature climate, vegetation, and wildlife similar to the everglades is

The correct answer is a biome.  

Biomes are very enormous ecological regions on the surface of the Earth, with plants and animals amending to their surroundings. They are usually illustrated by abiotic elements like geology, climate, soils, and vegetation. A biome is generally not considered as an ecosystem, however, in a manner, it can appear like a huge ecosystem.  

b. the carbon cycle ensures living things have a source of hydrogen